Electric action for organs.



E. F. FRUST. flfcrmc cr'lon ron osms.

APPLICATION FILED NOV. i5. IBIS.

Patent/9d Oct 16, 1917.

BR Shuk Q ELLIS F. FROST, 0F WASHINGTON, DISTRICT OF COLUMBIA.

ELEcrnIc ACTION son oneens.

Specifications# Letters Patent.

Patented Oct. 16, 1917.

Application Medi-November 15, 1915. `Serial No. $1,684.

To altre/1.0m zmay concern.'

Be; itlknown lthat LfELLIs F. *ERosT, a citizen of .the UnitedV vStates,` and residentof Washingtomfll C.,i hawe invented certain new and suseful ilmproivements,I in -Electric Actions for Organs, of. which athehillo-Wing isi a full, clearif and exactispeciuition.

`My invention relates to electrioafctions for organs.

The objectof my invention isothe production of afnolvel, useful, and'ffeeisible electricorgan-action of .thegeneral type ldisclosed in iny- PatcntNo. 1,228,899, issuediilune 5, 1917, whereby it -is made possible to; plny the registers of organ pipesion each. of a number ofkeyboards in anywcornbinntion of .thewregisters or in anyficombinationiof any of the registers 'in any desined relative musical transposition thereof as fully set out in. thisspecificationfendlillustrated in thev accompanying, drawingjm which Figure 1 -is eidiagrammatic representation ofnthe parts` employed; ande-.the circuits`V therefor, Fig. 2 yis a side view of a portion of a register switeh-pinca-rrying iodyxand EigJS-is a side view of a multiple contact'key switch.

,Of the reference fcharacterslnsed, AtoG inclusive, whether upper ornlowercase=or however: modified' bysha'rpsior 'Heise-refer to relative position in -theiniusical scale.

Reterring toFig. l, 1, l', 1f', represent three'` pipes of e register as for .instance e salicional, and 2,2', 2, rep1esentthree pipes of anotheriregister .asf for instaneem gedeckt.

For convenience -in descriptionnpipesf 1 and 2 are supposed to be ofthe pitch 'oflthe tenor C of the mnsicalscale, 1 and2 an octave above or of the pitch of middle c. and 1 2" annotare higher still or of Etlie pitch of soprano c.

3, 4, 5, .6, 7, 8, represent electro-magnetic devices designed when energized tooperate respectively pipes 1, l', 1;2, 2,2. The short lines C:#:, D, F,A,.-&c., represent the attachment of leads to electro-magnetic devices intermediate in-the octave bet-Ween those shown. T hek wind chest and operating valves intermediate between the electroniagneticidevices and pipes are-not shown. 9 represents a battery from oneterminalof which extend conductors :10 and 11 and from the other terminal conductor 12. M1 to M, N1 to No, Yrepresent .rodsof-noncenducting materiel. Each'rod carries as rnanyA conducting pins` as there are keys in a, keyboard, only 'three pins on each .rod being shown, those offeaeh rod being designated by the letters o, p, g. 'Fairs of contact sl'nings arein juxtaposition to each pin and in such lelationfithatwvhen al'rod is moved so=as to carry its pins ltoward the` springs the pins will4 engage thesprings and bridge them andnvhen-.moved .in :the oppositev direction the pins will leave thesprings unbridged. Contact pins 0, p, gfwith` theirrespective contact springs will hereafter be named register switches.

\Fig.2.showsa side View of a portion of a pin carrying'rod, as rodM1, thirteenpins being showngthisfbeing the number required to'theoctave. 'If the first pin-tothe-left of FigwZ beassigned to the tenor G this pin will correspond fto one of the 0 pins of Fi 1. `the other pinsvfilling the octave 'to midd: o toiwhichl pin pi-correspondsin Fig. `1 and Fig-2. =A :pair of Contact springs -in relation tothe'oypin :isshown in? Fi n2 there being a. separate painv (not shown for each pin.

M1, iM, IM9, -.N', N3, vN", represent conducting bars each carrying contact pinsr, s, 8,1m, www, a iside'view being shown in Fig. 3 with a contact spring for the pinu. Bars MT to Mr-N1 to ANtwith their AContact pins and respective contact sprin gs will hereafter be named key switches.

'RodsMfto1M,'-N1 to N, are controlled hy-.drawstops one for each rod eitherdirectly orthroughintermediate means, that' shown being electro-magnetic, thelelectrornavnetsmespectively allotted to the `rods-M1 to 3,' Nil to N6 being M10 to "l\ 15, N1o to-'N5.

n M10 to 'M2l and' N16 to N2l represent drawstops associated with each of which is a pair 'of contact springs held ont of Contact by; the drawstop when 'the drawstop is in the in position and allowed to make contact when the drawstop -is in the out position.

i Key switches-M, Ms, M", N7, N8, N 9, are respectively in operative relation to electromagnets N122, IVIzajN[2.A:.N'2Z,IQ'237 N24 '.K,K,K, represent three keys of a keyboard and' L, L', L, `three keys of another keyboard, those of each keyboard shown Vbe ing `respectively of 'the-position in the -musical scale indicated by the letters C, c, c', being that of the pipes shown.

Associated with each key is a pair of con-y tact springs designed to be o-ut of contact when the key is at rest and to be brought into contact when the key is operated.

The various parts are connected as follows:

3, 4, 5, 6, 7, 8, are connected in parallel to 4the conductor 10. 3 is connected to one contact spring of the pair associated with contact pins o of rods M1, M2, M5, and also with one contact spring of each pair associated with contact pins o of rods N1, N2, N2. 4 is connected with one contact spring of each pair associated with contact pins p of rods M1, M2, M3, and also with one contact spring of each pair associated with contact pins p of rods N1, N2, N5. 5 is connected with one contact spring of each pair associated with contact pins g of rods M1, M2, M5, and also with one contact spring of each pair associated with contact pins g of rods N1, N2, N5. 6 is connected with one contact spring of each pair associated with contact pins o of rods M, M5, M, and with one contact spring of each air associated with ins 0 of rods N, N5,

5. 7 is connected with one contact spring of each air associated with contact pins p of rods LM, M5, M5, and with one contact spring of each pair associated with contact pins p of rods N, N5,N. 8 is connected with one contact spring of each ,pair associated with contact pins g of rods M4, M5, M5, and with one Contact spring of each pair associated with contact pins g of 4rods N4, N5, N5.

0f the other contact springs of the pairs associated with pins 0 of rodsfM1, M2, N1, N2, that associated with pin o of rod M1 is connected with the contact spring associate with pin t of M5, that associated with pin o of rod M2 is connected with the Contact spring associated with pin 'r of M11, that associated with pin o of rod N1 is connected with the contact spring associated with pin t of N7 and that associated with pin o of rod N2 is connected with the contact spring associated with pin 'r' of N8.

Of the other contact springs of the pairs associated with pins o of rods M1, M5, and N4, N5, that associated with pin o of rod M* is connected with the contact sprin associated with pin u of M5, that associate with pin o of rod M5 is connected with the contact spring associated with pin s of M8, that associated with pin o of rod N* is connected With the contact spring associated with pin u of N7, and that associated with pin o of rod N5 is connected with the contact spring associated with pin s of N5.

Of the other contact springs of the pairs associated with pins p of rods M1, M2, M1, and N1, N2, N5, that associated with pin 7) of rod M3 is 'connected with the contact sprin associated With pin fu of M7, that associated with pin 79 of rod M1 is connected with the .contact spring associated with pin t of M, that associated with pin p of rod M2 is connected With the contact spring associated withpinr of M, that associated with pin p of rod N8 is connected with the contact spring associated with pin lv of N5, that associated with pin p of rod N1 is connected with the contact spring associated with pin t of N5, and that associated with pins p of rod N2 is connected with the contact spring associated With pin 7^ of N.

Of the other contact springs of the pairs associated with the pins p of the rods M, B15, M5, and N, N5, N5, that associated with pin p of rod N2 is connected with the contact sprin associated with pin t of M1, that assoclated with lpin p of rod M4 is connected with the contact spring associated with pin u of M8, that associated with pin p of rod M5 is connected with the contact spring -associated with pin s of M, that associated with pin p of rod N1 is connected with the contact spring associated with pin t of N1, that associated with pin p of rod N4 is connected with the contact spring associated with pin u of Ns, and that associated with pin p of rod N5 is connected with the contact spring'associated with pin s of N.

Of the other contact springs of the pairs associated with the pins g of the rods M1, M3, N1, N5, that associated with pin g of rod M-2 is connected with the contact spring associated with pin c of MB, that associated with pin q of rod M1 is connected with the contact springassociated with pin t of M,

that associated with pin g of. rod N3 is connected with the contact spring associated with pin c of Ns, and that associated With pin g of rod N1 is connected with the contact spring associated With pin t of N2.

Of the other contact springs of the pairs associated with pins q of the rods M5, M4, and N", N4, that associated with pin q of rod M1 is connected with the contact spring associated with pin w of M5, that associated with pin g of rod M* is connected with the contact spring associated with pin u of M, that associated with pin g of rod N is connected with the contact spring associated with pin w of N8, and that associated with pin g of rod N4 is connected with the contact spring associated with pin u of N9.

It is to be noted that each electro-magnetic device of a register is included in a branch circuit controlled by keys in each 4 keyboard in unison, suboctave, and superoctave pitch relation to said device.

Electro-magnets M1 to M15 are connected misgaan in 44parallel to the conductor 12. E1ectro magnet M1 is also connected to one of the ContactA Springs of the pair associated with dawstop M11. Electro-magnet M11 is also connected with one of the c'ontact springs of the pair associated With drawstop M1. Electlro-fmag'netYM12 is also connected with one of the contact springs of the pair associated with` draws'top' M11. Electromagnet M1s is also connectedwith one of the contact springs of the pair associated with drawsttpv tM20. Electro-magnet M14 is also connected with one of the Contact springs of the pair associated with drawstop M11.

. Electro-magnet M15 is also connected with oneyo'f thel contact springs of the pair associated with drawstop 'li 21. The other contact' s rings" of the pairs associated with draw'so'ps M1 to M21 are connected to the conductor 11.

Elect'magnets N10 to N15 are connected in parallel with the conductor 12. Electroma'gnet N1 is also connected with one of the contact springs of the pair associated with draivstop N11. Electro-magnet N11 is also connected With one of the contact sprin s of the air associated with drawstop N11. alectroagnet N12 is also connected with one ofthe? contact 'springs of the pair associa-ted with drawstop N18. Electro-magnet N1s is" also connected with one of tli'e contact springs of the pair associated with drawstop N2". Electro-'magnet N1* is also connected with one of the contact springs of the p'ainassociated with drawstop N19. Electro-magnet N15 is also connected with one of the contact springs of the pair associated with drawstop N21. The other contact springs of the pairs associated with the draiv'stops N1 to N21 are connected to the conductor 11;

Electro-magnets M21, M1", M2", are connecte in parallel with the conductor 11. Electro-magnet M22 is also connected with one of the contact springs of the pair associated with the key K. Electromagnet M'3 is also connected with one of the contact springs of the pair associated with the key K. Electro-'magnet MM is also connected with one of the contact 'springs of the pair associated ivith the key K. The other confact springs of the pairs associated with the keys `K, K K, are connected with conductor 12.

Electro-magnets N22, N23. N21, are connected in parallel With conductor 11. Electro-magnet N12 is also connected with one of the Contact springs of the pair associated with the key L. Electro-magnet N23 is also connected with one of the Contact springs of the pair associated with the key L. Electromagnet N24 is also connected with one of the contact springs ofthe pair associated withthe key'L. The other contactsprings of the pairsassociated with the keys L, L', L, are connected with conductor 12.

The' several parts may be operated against any desirable restoring means.

The arrangement described and shown posits three drawstop controlled rods for each register for each keyboard so that for ten registers and two manual keyboards there would be sixty draWsto'p controlled rods. For a pedal keyboard there would be bt' one o'r two rods p'er register making the total number of draw-stop'4 controlled ro'ds and therefore the number of dra'wstops for tle ten registers seventy to eighty to which must be added the drawstop controlled rods of pedal pipes one rod for each register of pedal pipes.4 For the' four foot and two foot scale registers practical considerations would require but one drawstop controlled ro'd for 'each register per keyboard. Thus foreach eight foot sca-le register there will lie three drawstops of sixteen foot, eight foot, and four foot denomination respectively for each manual keyboard. There will be as many register switches operated by each draw'stop controlled rod as there are keys perkeyboard, namely, sixty one for those rods related to the manual keyboards and about thirty two for those drawstop controlled rods related to the pedal keyboard.

Each keyswitch M', M8, &c. requires as many pins i', s', t, &c., as there are drawstop controlled rods M1, M2 &c., related to the manual controlling the key switch M1, o'r M, &c., so that ten registers require thirty pins for ea'chkey switch, the pedal key switches requiring a less number of pins.

When there are but sixty one pipes in a register the suboctave and superoctave connections are carried out only within the c'ompass of the register. Also, since each pipe controlling device is, so far as the scheme is concerned, to' be connected to a key switch in subocta've and superoctave relation the scheme can only be carried out Within the compass of the keyboards.

Since the pipes of a register as Well as the keys of 'a keyboard are commonly designated by terms denoting relative pitch 1n the musical scale it is appropriate to designate the pipe sounding devices and also the branch circuits includin the' keys of a keyhoard and the' pipes o a register in the unison, snbfoctave, and superoctave relation, as unison, subo'ctave, and Superoctave devices and circuits respectively. It is for the sake of ciearness and the avoidance of a tedious circu'nlocution that the devices and circuits are so designated in the claims.

It is to he es ecially noted that the branch circuits exten ing from the key switches to the p'ipe vs'"t'niding devices form similar' groups of circuits, the group from edcn key switch comprising a unison, a suboctave, and a supcroctaye circuit; also that the circuits extending i rom the pipe sounding devices to the key switches forni similar groups of circuits the group from each pipe sounding device comprising n unison, a. suboctave` and a superoctave circuit; and that, of the groups of circuits from a key and a device of the saine pitch the unison circuit is alone identical in both groups.

While the switches consisting of contact springs closed and opened by pins controlled by drawstops might be designated drawstop controlled switches, it is preferable for the purpose of clarity in the claims to designate them register switches since their opera tion determines what register at a given pitch relation shall be related to a given ke board.

)While each circuit related with a key switch is separately closed and opened upon the operation of the key controlling that key switch yet the various spring contacts and their respectively associated pin contacts constitute a multiple Contact switch each spring Contact being individual to a circuit and the pins by reason of their being connected together by the bar supporting them being common to all the circuits. In fact, the spring contacts might be made to contact directly with the bar this then becoming the common contact.

' The operation of my invention is as follows:

When no drawstops are drawn and no keys are operated no circuits are closed. When no drawstops are drawn the operation of any key closes only the circuit through the electro-magnet with which it is associated an'l therefore operation of the key switches serves no function. lVhcn no keys are `operated operation of the drawstops only closes circuits through the electromagnets with which they are associated and therefore operation of the register switches serves no function.

If drawstop M1T alone be drawn a circuit is closed through electro-magnet li 11 and the register switches o, p, g, of rod M1 are closed. If, now, key K be operated a circuit is closed through electro-magnet M22 and the pin t of key switch M7 being thus brought into contact With its associated contact spring a circuit is also closed as follows, battery 9, conductor 10, electromagnet 3, register switch o of rod M1, contact spring and associated contact pin t of key switch M1, conductor 12, to battery, and pipe 1 is sounded, it being of unison a pitch with the key K. Operation of key K while drawstop M1T alone is drawn closes a circuit through electro-magnet M23 operating key switch MS and bringing its contact pin t into contact with its associated contact spring thus closing a circuit as follows, battery 9, conductor 10, electro-magnet i, register switch p of rod M1, contact spring and associated contact pin t of key switch M8, conductor 12, to battery, and pipe 1 is sounded, it being of unison pitch with the key K. Operation oit' key K while drawstop M1T alone is drawn closes a circuit through electro-magnet M2* operating key switch M, bringing its contact pin t into contact with its associated contact spring thus closing a circuit as follows, battery 9, conductor 10, electro-magnet 5, register switch q of rod M1, contact spring and associated contact pin t of key switch M9, conductor 12, to battery, and pipe l is sounded, it being of unison pitch with the key 1 If drawstop'N1T alone be drawn a circuit is closed through the electro-magnet N10 and the register switches o, p, g, of rod N1 are closed. If, now, key L beV operated a circuit is closed through electro-magnet N22 and thc contact pin t of key switch N1 being thus brought into contact with its associnied Contact spring a circuit is closed as follows. battery 9, conductor 10, electroinagnet 3, register switch 0 of rod N1, con tact spring and associated contact pin t of key switch N7, conductor 12, to battery, and pipe 1 is sounded, it being of unison pitch with the key L. Operation of key L while drawstop N17 alone is drawn closes a circuit through electro-magnet N23, operating key switch N8 andbringing its contact pin t into Contact with its associated contact spring, thus closing a circuit as follows, battery 9, conductor 10, electro-magnet 4, register switch p of rod N1, contact sprin and associated contact pin t of key sWit/c N8, conductor 12, to battery, and pipe 1 is sounded, it bein of unison pitch with the key L. Operation of key L while drawstop N17 alone is drawn closes a circuit through electro-magnet N1* operating key switch N, bringing its contact pin t into Contact with its associated contact spring, thus closing a circuit as follows, battery 9, conductor 10, electro-magnet 5, register switch g of rod N1, contact spring and associated Contact pin t of key switch N9, conductor 12, to battery, and pipe 1 is sounded. it being of unison pitch with the key L.

Thus the pipes of the first register may be sounded in the unison by operating the keys of either or both keyboards.

If drawstop M20 alone be drawn operation of key K, will cause pipe 2 to Sound; operation of key K will cause pipe 2 to sound; operation of key K will cause pipe 2 to sound; these pipes thus being sounded in unison with the keys. The circuits involved can be readily traced by one skilled in the art. If drawstop N2 alone be drawn operation of key L will cause `pipe 2 to 1,248 ,oso

sound; operation ozf key L will cause pipe 2f to sound; 4.operation of k L" will cause pipe 2 to sound; thesepipes thus being sounded in unison with the keys. Thelcirl,cuits involved :can be readil traced by onel skilled in the ant. Thus e pipes of .the second register-maybe sounded in the unison, by-operating the keys of either or bot-h keyboards. l

Thus the pipes of ieither ,or both registers may be sounded in the unison by operating the keys of either or -both keyboards.

The circuits `involved in the above operations are denominated unison circuits.

If .drawstop Mt" alone be drawn, rod M2 is operated and'thefregisterswitcheso, g, of rod NL2 are closed. If,- noxv, key-K be operated the key switch M1 will be operated and its contact pin 1' will be brought into contact with its associated contact spring which is unconnected in the drawing. Operation of key K while draw-stop M16 alone is .drawn operates key switch M3 its Contact pin r being brought into contact lwith its associated contact spring thus closing a circuit as follows, battery 9, conductor l0, electro-magnet 3, register switch o of rod M2, contact spring and associated contact-pin r of key vswitch M22-conductor 12, to battery, and pipe 1 is sounded, it being of pitch an octave below that of key 'K'. Operation of key K While drarvstopltfl16 alone is drawn operates key switch. M its contact pin r being brought into contact with its associated contact spring thus closing a circuit as follows, battery 9, conductor 10, electroinagnet 4, register switch p of rod M2, contact spring and associated contact pin 1" of key switch M,'conductor 12, to battery, and pipe 1 is sounded, it being of pitch an octave below that of the key K.

fdrawsto N alone be'drawn, operation f key will cause pipe 1 to sound, it being in pitch an octave below that of key L; and operation of key Lf will cause ipe 1 to sound it being in pitch an octave below that of key L", the relation of the movable and fixed parts and the circuits being similar to those described above and readily traceable to one skilled in the art.

Thus the pipes ofthe first register in their suboctave relation may be sounded by operation of keys of either or both keyboards.

If drawstop M1w alone be drawn, operation of key K will cause pige -2 to sound it being of pitch an octave elow that of key K operation of key K will cause pipe 2 to sound it bein of pitch an octave below that of key the circuits being readily traceable.

If draWsto-p N alone be drawn, operation of key L will cause ipe 2 to sound it being o pitch an octave elow vthat of key L: operation of 'key L will cause pipe -2 Vto sound 1it being or pitch an octave below that of key L", the circuits being vreadily traceable.

Thus the pipes 4oi'the second register in theirisuboctave relation maybe sounded by the operation of keys of either or both keyboards.

Thus'thepipes of either or both registers in their suboctavel'clation may be sounded by the operation of keys of either or both keyboards.

The circuits involved-in the above operations are denominated suboctave circuits. y

lf drawstop M alone be drawn, rod M*x isopera/ted and its re ister switches o, p, g, are'closed. lf, now, rey K be operated the keylswitoh M? will Ibe operated and its contact pin u will' be brought into contact with its associated Ycontact spring thus closing a circuit as follow-s, battery 9, conductor 10, electro-magnet 4, register switch p oatrod M?, contactspring and associated contact pin 'r of key switch M1, conductor 12, to battery, and-pipe l is sounded, it being of pitch an octave above that of the 'key K. Operation of key K while drawstop MA1B alone is drawn operates key switch its contact pin o being brought into contact with its associated contact spr-ing thus closing a circuit as follows, battery 9, conductor 10,*electro-niagnet 5, register switch q of rod M3, contact spring and its associated contactpin 4o of key switch M9, conductor l2, to battery, and pipe l" is sounded, it being of pitch: an octave above that of key K. Gperation of key K" while drawstop M18 alone is drawn operates key svi/itchv M9 its contact pin o being brought into contact with its associated contact spring which is shown as unconnected in the drawing.

If draWstfipNlxs alone be drawn, operation of key L will cause pipe l' to sound it beingr of pitch an octave above that of key L; and operation of key L' will cause pipe 1l to sound it being in pitch an octave above that of key L', the relation of the movable and fixed parts and the circuits being similar to those described above and readily traceable by one skilled in the art.

Thus the pipes of the first register in their superoctave relation may be sounded by the operation of keys in either or both keyboards.

If drnwstop M-21 alone be drawn, operation of key K will cause pipe 2 to sound it being of pitch an octave above that of key K; operation of key K will cause pipe 9. to sound it being of pitch an octave above that of -key K.

If drawstop N21 alone be drawn, operation of key L will cause pipe 2 to sound it being of pitch anoctave above that of key by the operation of keys of either or both keyboards.

Thus either or both registers in their superoctave relation may be sounded by the operation of keys of either or both keyboards.

The circuits involved in the above operations are denominated superoctave circuits. Any of the above described operations may take place simultaneously in all combinations.

While only two registers, and three pipes of each register, and only two keyboards and three keys of each keyboard are shown, the like arrangement of parts and circuits is to' be applied to any number of registers and any number of pipes employed in each register and to any number of keyboards within the respective compass of each. While the arrangement is shown for pipes and keys an octave apart any other interval may also be em loyed. Electrical equivalents, as solenoi s for electro-magnets, and mechanical equivalents may also be employed without departing from the spirit of my invention.

I claim: l

1. Anelectric organ-action comprising an electrosmagnetic pipe-sounding device for each pipe ofa register of pipes, unison, subocta ve; and superoctave circuits, a keyboard, each keyythereof controlling by means of said circuits devices respectively in unison, subocta've, and superoctave pitch relation with said key within the compass of said register, key switches and register switches, a key switch and a register switch being included in each circuit in series, and drawstops controlling the register switches.

2. An electric organ-action comprisingr an electromagnetic pipe sounding device for each pipe of a register of pipes, unison, suboctave, and superoctave circuits, a keyboard, each key thereof controlling by means of said circuits devices respectively in unison, suboctave, and superoctave pitch relation with said key within the compass of said register, key switches and register switches, a key switch and a register switch being included in each circuit in series, the key switches controlled by a key being a multiple contact switch, and drawstops control ling the register switches.

3. An electric organ-action comprising an electro-magnetic pipe sounding device for each pipe of a register of pipes, unison, suboctave, and superoctave circuits, a keyboard, each key thereof controlling by means of said circuits devices respectively in unison, suboctave, and superoctave pitch relation with said key within the compass of said register, a branch circuit foreach device controlled by keys respectively in unison, suboctave, and superoctave pitch relation with said device within the compass of said keyboard, key switches and register switches, a key switch and a register switch being included in each circuit in series, and drawstops controlling the register switches.v

4. An electric organ-action comprising an electro-magnetic pipe sounding device for each pipe of a reglster of pipes, unison, suboctave, and superoctave circuits, a keyboard, each key thereof controllingl by means of said circuits devices respectively in unison, suboctave, and superoctave pitch relation with said key within the compass of said register, a branch circuit foreach device controlled by keys respectively in unison, suboctave, and superoctave pitch relation with said device within the 'compass of said keyboard, key switches and register switches, a key switch and a register switch being included in cach circuit in series, the Vkey switches controlled by a key being a multiple contact switch, and drawstops control ling the register switches.

5. An electric organ-action comprising an electro-magnetic pipe sounding device for each pipeof a register of pipes, unison, sub, and super circuits, a keyboard, each key thereof controlling by means of said circuits ,L devices respectively in unison, sub, and super -":,pitch relation with said key within the compass of said register, key switches and register switches, a key switch and a register switch being included in each circuit in series, and drawstops controlling the register switches.

6. An electric organ-action comprising an electro-magnetic pipe-sounding device for each pipe of registers of pipes, unison, suboctave, and superoctave circuits, a keyboard, each key thereof controlling by means of said circuits devices of each register respectively in unison, suboctave, and superoctave pitch relation with said key within the compass of said registers, key switches and register switches, a key switch and a register switch being included in each circuit in series, and dravvstops controlling the register switches.

7 An electric organ-action comprising an electro-magnetic pipe sounding device for Leases@ sters controlling theregister switches- 8. 4Ain electricrgan-action comprising an electro-magnetic pipe sounding device for each-,pire .0f registers of pip-es, unison, Sub octave and superoctave circuits, a keyboard, each key thereof controlling vby means ot said circuits ydevices tof, each register respectively in unison, suboctave, and superoctave pitch relation with saidkey within' .the compass of said registers, a brgnch circuit for each device controlled by keys respectively in unison, suboctave, and superoctave pitch relat'ioy ,with said ,device within the compass o said keyboard, key switches and register switches, a key switch and a register switch being included in` each circuit in series, and drawstops controlling the-register switches.

9. An electric organ-action comprising an electro-magnetic pipe sounding device tor each pipe of registers of pipes, unison, suboctave, and superoctavc circuits, a keyboard. each key thereof controlling by means ot' said circuits devices of each register respectively in unison, suboctave, and super-octave pitch relation with said key within the compass of said registers, a branch circuit for each device controlled by keys respectively in unison, suboctave, and superoctave pitch relation with said device Within the compass of said keyboard, key switches and register switches, a key switch and a register switch being included in each circuit in series, the key switches controlled by a key being a multiple contact switch, and drawstops controlling the register switches.

10. An electric organ-action comprising an electro'magnetic pipe sounding device for each pipe of a register of pipes, unison, suboctave, and superoctave circuits, keyboards, each key thereof controlling by means of said circuits devices respectively in unison, Suboctave, and superoctave pitch relation with said key within the compass of said register', key switches and register switches, a key switch and a register switch being included in each circuit in series, and drawstops controlling the register switches.

11. .An electric organ-action comprising an electronnagnetic pipe sounding device for cach pipe of a register of pipes, unison, suboctave, and superoctavo circuits. keyboards, each key thereof controlling by means of said circuits devices respectively in unison, suboctave, and superoctave pitch relation with said key within the compass of said register, key switches and register switches, a key switch and a register switch being included in each circuit in series, the key switches controlled by a. key being a inultiple contact switch, and drawstops controlling the register switches.

l2. A11 electric organ-action comprising an electro magnetic pipe sounding device for each pipe of a register of pipes, unison, suboctave, and superoctave circuits, keyboards, each key thereof controlling by means of said circuit devices respectively in unison, suboctare, and superoctave pitch relation with .said key Within the compass of said register, va. branch circuit for each device controlled by keys in each keyboard Y respectively in unison, suboctave, and superoctave pitch relation with said device within the compass .of said keyboards, key switches and register switches, a key switch and a register switch being included in each circuit in series, and drawstops ,controlling the register switches.

13.,Anrelec tr1c organ-action comprising ,an electro-magnetic pipe sounding device for each pipe of a register of pipes, unison, suboctave, and superoctavc circuits, keyboards, each key thereof controlling by means of said circuits devices respectively in unison, suboctave, and superoctave pitch relation with said key within the compass of said register, a branch circuit for each device controlled by keys in each keyboard respectively in unison, suboctave, and superoctave pitch relation, with said device within the compass of said keyboards, key switches and register switches, a key switch and a register switch being included in each circuit in series, the key switch controlled by a key being a multiple Contact switch, and drawstops controlling the register switches.

14. An electric organ-action comprising an electro-magnetic pipe sounding device for each pipe of registers of pipes, unison, suboctave, and superoctave circuits, keyboards each key thereof controlling by means o said circuits devices of each register respectively in unison, suboctave, and superoctave pitch relation with said key within the Compass of said registers, key switches and register switches, a key switch and a register switch being included in each circuit in series, and drawstops controlling the register switches.

15. An electric organaction comprising an electro-magnetic pipe sounding device for each pipe of registers of pipes, unison, suboctave, and superoctave circuits, keyboards, each key thereof controlling by means of said circuits devices of each register respectively in unison, suboctave, and superoctave pitch relation with said key within the compass of said registers, key switches and register switches, a switch key and a register switch being included in each circuit in series, the key switches controlled by a key being a multiple contact switch, and drawstops controlling the register switches.

16. An electric organ-action comprising an electro-magnetic pipe sounding device for each pipe of registers of pipes, unison, suboctave, and superoctave circuits, keyboards each key thereof controlling by means o said circuits devices of each register respectively in unison, suboctave, and superoctave pitch relation with said key Within the compass of said registers, a branch circuit for each device controlled by keys in each keyboard respectively in unlson, suboctave, and superoctave pitch relation With said device Within the compass of said keyboards, key switches and register switches, a key switch and a register switch being included in each circuit in series, and drawstops controlling the register switches.

17. An electric organ-action comprising nn electro-magnetic pipe sounding device for each pipe of registers of pipes, unison, suboctave, and superoctave circuits, keyboards each key thereof controlling by means o said circuits devices of each re 'ster respectively in unison, suboctave, an superoctave pitch relation with said key Within the cornpass of said registers, a branch circuit for each device controlled by keys of each keyboard respectively in unison, suboctave, and superoctave pitch relation with said device within he compass of said keyboards, key switches and register switches, a key switch and a register switch being included in each circuit in series, the key switches controlled by a key being a multiple contact switch, and drawstops controlling the register switches.

GEORGE E. HEIsLEY, S. C. HILL.

Copies ol this patent may be obtained for ve cents each, by addressing the "Commissioner of Patents, Washington, D. C. 

